.h4 HDF document
Documents & office
| MIME type | application/x-hdf |
|---|---|
| Description | HDF document |
| Acronym | HDF – Hierarchical Data Format |
| Category | Documents & office |
| Signature (magic bytes) | 0E 03 13 01 (....)89 48 44 46 0D 0A 1A 0A (.HDF....) |
| Other extensions | .h5, .hdf, .hdf4, .hdf5 |
Frequently asked questions
What is a .h4 file?
A .h4 file is a “HDF document” (MIME type application/x-hdf). HDF stands for Hierarchical Data Format.
How do I open a .h4 file?
With an office suite: LibreOffice (free, Windows/macOS/Linux) opens most document formats, as do Microsoft Office or the vendor’s own app.
How can you tell a genuine .h4 file?
By the bytes at the start of the file, the signature (magic bytes): 0E 03 13 01 (....) and 89 48 44 46 0D 0A 1A 0A (.HDF....). On Linux and macOS, file --mime-type example.h4 checks the real type regardless of the extension.
Which MIME type belongs to .h4?
The MIME type is application/x-hdf. In the Apache web server: AddType application/x-hdf .h4; in nginx: types { application/x-hdf h4; }.